343440421143 has 8 divisors (see below), whose sum is σ = 458838240000. Its totient is φ = 228501441528.

The previous prime is 343440421099. The next prime is 343440421171. The reversal of 343440421143 is 341124044343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343440421143 - 2¹⁰ = 343440420119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343440421243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114708063 + ... + 114711056.

It is an arithmetic number, because the mean of its divisors is an integer number (57354780000).

Almost surely, 2^343440421143 is an apocalyptic number.

343440421143 is a deficient number, since it is larger than the sum of its proper divisors (115397818857).

343440421143 is a wasteful number, since it uses less digits than its factorization.

343440421143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229419621.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 343440421143 its reverse (341124044343), we get a palindrome (684564465486).

The spelling of 343440421143 in words is "three hundred forty-three billion, four hundred forty million, four hundred twenty-one thousand, one hundred forty-three".